Seal



FIG. 1 is a perspective view of a seal showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a one end view thereof; and,

FIG. 6 is another end view thereof, the opposite of the end view shown in FIG. 5. 

An ornamental design for a seal, as shown and described. 